Telephone system



Feb. 1, 1944.

E. s. PETERSON 2,340,554

TELEPHONE SYSTEM Filed April 30. 1942 28 Sheets-Sheet 3 361 CONTACTS FOR\34I 1 LAST LINK 532: I

I CONTACTS FOR OTHER LINKS CIO47 2:32 342 362 CONTACTS FOR I FIRST LINKCIOI 7 L 322 I 323 I 343 344 363 324 [345 364 I 3 r A R340 366- are? ,wR360 (SELECT 9332 am 5 (SELECT g*- ESET 352 R370 13m d MARKING R330 50}350 E3 MARKING MARKING Em TRUNK GROUP ALLOTTER INVENTOR. EDWARDSPETERSON BY 14.41; +44";

ATTORNEYS 1944- E. s. PETERSON 2,340,554

TELEPHONE SYSTEM Filed April 30, 1942 28 Sheets-Sheet 4 H64 158' 0159c|so 4| 421 43l f -c|s| HSLAVE R4|O 42o J k I l THER l I SELECT I uvs IRELAYS I I I clsz m 45M; 46l f c13|3 R450 R460 MANUAL EXCHANGE TRUNKGROUP ALLOTTER L I I I INVEIIJTBRI I EDWARD s. PETERSON BYM ATTORNEYS E.S. PETERSON TELEPHONE SYSTEM Filed April 50, 1942 RING BY PASS SELECTOR5O SEIZURE j'lTIMING R5IO Feb. 1, 1944.

C562- cssa I fi COMPOSITE EQUIPMENT Clo? CIOB

mxE. mwIFO 1 D :Jrszv TONE 'QL E E CUT-OFF R540 R520 I 0543 INVENTOR.EDWARD s. PETERSON ,/M1J&

N'TORNEYS 1, 1944- E. s. PETERSON 2,340,554

TELEPHONE SYSTEM Filed April 30, 1942 28 Sheets-Sheet 8 FIG.8

TIMING AND ALARM EQUIP BY PASS SELECTOR EDWARD S. PETERSON BY M, ii

ATTORNEYS Feb. 1, 1944. E. s. PETERSON 2,340,554

TELEPHONE SYSTEM Filed April 30, 1942 28 Sheets-Sheet 10 i J l 4 p h h41 Hon H02: H03: I04! ATTORNEYS Feb. 1, 1944. PETERSON 2,340,554

TELEPHONE SYSTEM Filed April 30, 1942 28 Sheets-Sheet 11 FIG. FE. FIGFIG. FIG. FIG. FIG. FIG. FIG. F|G.FIG. FIG FIG. FIG FIG. IG. FIG-FIG.FIG.

FIG.29

3 4 5 6 7 8 9 IO II I2 I3 |4I5 I62425262728 FIG. FIG. FIG FIG. FIG FIG.FIG. I7 I8 I9 20 21 22 23 MANUAL BY-PASS SELECTOR EXCHANGE L|4| 0) m 1I257 g 3 35 35's '2 5 2 g 3 P9 99 =1 0 P u f I k L I TO OTHER I TRUNKGROUP ALLOTTER BY-PASS SELS.

MANUAL (I42, COMPOSITE axon/mes m BY- PASS SEICTOR 32 H t 42 52 I I IIER10 OTHER TRUNKS BY-PASS SEL s.

INVENTOR. EDWARD S. PETERSON ATTORNEYS 1944- E. s. PETERSON 2,

TELEPHONE SYSTEM Filed April 30, 1942 23 Sheets-Sheet 12 FlG.|2 .43

u; (n44) I27| 1213 I I rsnxse 272% I274 Rig 33 1 c|451 me Cl278 lCOMPOSITE E UIP.

IIIII IIIII, TOLL LINE CIR. 60 TO OTHER LINE CIR'S.

- WITCHING |2s| J\|2I| 1230 illzss K v I262 y M 1254 R mom 222 I240'HoLo INVENTOR.

. EDWARD s. PETERS BY ,a/muiufi 2.1:

ATTORNEYS Feb. 1, 1944. E. s. PETERSON 2,340,554

TELEPHONE SYSTEM I I r 1 r INVENTOR. EDWARD S. PETERSON BY M W, harmATTO RN EYS Feb. 1, 1944. PETERSON 2,340,554

TELEPHONE SYSTEM COUNTING INCOMING SELECTOR 53 EDWA 0 s. PETE ON BYMATTORNEYS Feb. 1, 1944. s PETERSON 2,340,554

TELEPHONE SYSTEM Filed April 30, 1942 28 Sheets-Sheet l6 CYCLE INCOMINGSELECTOR 53 INVENTOR. EDWARD PETERSON M, lz idrm

